package com.wskj.workbench.component;

import com.wskj.common.constant.Constants;
import com.wskj.common.constant.RedisConstants;
import com.wskj.common.core.domain.entity.SysUser;
import com.wskj.common.core.domain.model.LoginUser;
import com.wskj.common.core.redis.RedisCache;
import com.wskj.common.exception.CustomException;
import com.wskj.common.exception.user.CaptchaException;
import com.wskj.common.exception.user.CaptchaExpireException;
import com.wskj.common.exception.user.UserPasswordNotMatchException;
import com.wskj.common.utils.common.AssertUtils;
import com.wskj.common.utils.common.DateUtils;
import com.wskj.common.utils.common.MessageUtils;
import com.wskj.common.utils.common.ServletUtils;
import com.wskj.system.service.ISysConfigService;
import com.wskj.system.service.ISysUserService;
import com.wskj.workbench.enums.SysUserUserTypeEnum;
import com.wskj.workbench.enums.UserStatus;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

/**
 * 登录校验方法
 *
 * @author wsdz
 */
@Component
public class SysLoginService {
    @Autowired
    private TokenService tokenService;

    @Resource
    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private AsyncService asyncService;

    /**
     * 登录验证
     *
     * @param username 用户名
     * @param password 密码
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public String login(String username, String password, String code, String uuid,Integer platform) {
        HttpServletRequest request = ServletUtils.getRequest();
        boolean captchaOnOff = configService.selectCaptchaOnOff();
        // 验证码开关
        if (captchaOnOff) {
            validateCapcha(username, code, uuid, request);
        }
        String userType = "00";
        if(platform != null && platform==1){
            userType = SysUserUserTypeEnum.SYSTEM_USER.getValue();
        }
        SysUser user = userService.selectUserByUserNameAndUserType(username,userType);
        AssertUtils.notNull(user,"登录用户：" + username + " 不存在");
        AssertUtils.isFalse(UserStatus.DISABLE.getValue().equals(user.getStatus()),"对不起，您的账号：" + username + " 已停用");
        AssertUtils.isFalse(UserStatus.LOGOFF.getValue().equals(user.getStatus()),"对不起，您的账号：" + username + " 已注销");
        // 用户验证
        Authentication authentication = null;
        try {
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager
                    .authenticate(new UsernamePasswordAuthenticationToken(username, password));
        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                asyncService.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match"), request);
                throw new UserPasswordNotMatchException();
            } else {
                asyncService.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage(), request);
                throw new CustomException(e.getMessage());
            }
        }
        asyncService.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success"), request);
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUser());
        // 访问端
        loginUser.setPlatform(1);
        // 生成token
        return tokenService.createToken(loginUser);
    }

    /**
     * 校验验证码
     *
     * @param username 用户名
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public void validateCapcha(String username, String code, String uuid, HttpServletRequest request) {
        String verifyKey = RedisConstants.CAPTCHA_CODE_KEY + uuid;
        String captcha = redisCache.getCacheObject(verifyKey);
        redisCache.deleteObject(verifyKey);
        if (captcha == null) {
            asyncService.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire"), request);
            throw new CaptchaExpireException();
        }
        if (!code.equalsIgnoreCase(captcha)) {
            asyncService.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error"), request);
            throw new CaptchaException();
        }
    }

    /**
     * 记录登录信息
     */
    public void recordLoginInfo(SysUser user) {
        user.setLoginIp(ServletUtils.getClientIP());
        user.setLoginDate(DateUtils.getNowDate());
        user.setUpdateBy(user.getUserName());
        userService.updateUserProfile(user);
    }
}
